New HYPESTEEDExhaust Headers for 1964–1987 GM 283 / 327 / 350 / 400 Small Block Engines. This 2-piece, 4-1 raclng design (8-2-1 total) improves airflow for immediate gains in HPs, TQs and throttle response across the entire RPM range. Featuring a high-shine chrome finish and an aggressive exhaust note, these headers are ideal for mid to full "all-motor" builds. Perfect for C/K 1500/2500, Silverado, Blazer, Suburban, Sierra, Tahoe, and Yukon models, they offer a significant upgrade in performance and reliability. Note: Some applications may require minor modifications for a perfect fit.
64-87 GM A, F and G-Body and fit many street rod applications with uni-body front clip suspensions.
Made of High Quality T-304 Stainless Steel, more durable and resistant to heat and corrosion compared.
Engineered and Tested to Exceed Original Equipment Standards and Performance.
Designed to optimize airflow, allowing your engine to breathe better and run more efficiently.
Performance upgrade that unlocks your engine's true potential.
TIG Welded CNC Machine Flange.
Richer V8 Power Exhaust Sound.
Improved combustion chamber temperatures.
Increased throttle Response.
2 Piece 4-1 Raclng DESIGN (8-2-1)
Maximizing Smoothest High Exhaust Air Flow Rate.
Mandrel Bent Tubing For Maximum Flow & Performance Gain.
Simple Bolt On Installation, Comes Exactly As Pictured.
**Some models require modifying the A/C bracket to provide clearance for the header tube during installation.
Compatible with Legendary Small Block Chevy 4.6L / 5.4L / 5.7L / 6.6L V8 Engine.
Professional Installation is Highly Recommended (No Instruction Included).
Your valid phone number is very necessary for the shipping, otherwise we can't guarantee that the package would safely arrive.
Don't hassle to contact us if item stuck, unknown or fault installation !!
Items are shipped as soon as possible, usually within 24 hours of ordering.
Orders are processed at 10am PST Monday-Friday, with the exception of US Holidays
Orders will be shipped same day if purchased before 10am, with the exception of US Holidays and weekends
Orders may be shipped out via USPS, UPS, FedEx, or DHL depending on the item
Surcharges will be added to VI, PR, HI, AK, MP, AS
Some (large) items cannot be shipped to PO Box or APO/FPO
International buyers are responsible for CUSTOMS FEES and/or DUTY FEES upon import
Ships from USA (west coast)
Prepaid return shipping labels offered for customers who experience defective items, or items received that are not represented by this listing
Any other returns are subject to up to 5% restocking fees, depending on the item itself, length of return, and condition of the returned item
Items must be returned for inspection in order to take advantage of the 90-day warranty
We Offer Prepaid Return Shipping Labels (Within 14 Days after initial deliverey) For Our Customers Who Either Received A Damaged/Defective Item, Or An Item That Was Not As Described!
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